Office chair



FIG. 1 is front perspective view generally taken from one side of the office chair;

FIG. 2 is a front elevation view of the office chair shown in FIG. 1;

FIG. 3 is a rear elevation view of the office chair shown in FIG. 1;

FIG. 4 is a side elevation view of the office chair shown in FIG. 1;

FIG. 5 is a top plan view of the office chair shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the office chair shown in FIG. 1.

Unclaimed portions of the invention are indicated by broken lines. 

The ornamental design of an office chair, as shown. 